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Usimov [2.4K]
3 years ago
13

Which expression represents a number that is 8 times as large as 19, 520 - 1,478?

Mathematics
1 answer:
makkiz [27]3 years ago
4 0

Answer:the answer is 154682

Step-by-step explanation:

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Solve the system.
DENIUS [597]
Ask google and she will tell you
8 0
3 years ago
A manufacturer of interocular lenses will qualify a new grinding machine if there is evidence that the percentage of polished le
solniwko [45]

Answer:

Does not exceed 2% in both cases.

Step-by-step explanation:

Given that a  manufacturer of interocular lenses will qualify a new grinding machine if there is evidence that the percentage of polished lenses that contain surface defects does not exceed 2%.

Sample proportion = \frac{6}{250} \\=0.024

Create hypothesses as

H_0: p = 0.02\\H_a : p >0.02

(Right tailed test at 5% significance level)

P difference = 0.004

Std error = 0.0089

test statistic Z = p diff/std error = 0.4518

p value = 0.326

Since p >alpha, we accept nullhypothesis

b) For confidence interval 97% we have

Margin of error = 2.17* std error = 0.0192

Confidence interval

= (0.024-0.0191, 0.024+0.0191)\\= (0.0049, 0.0431)\\

Since 2% = 0.02 lies within this interval we accept null hypothesis.

Does not exceed 2%

Since

7 0
4 years ago
A line contains the points (-26, -37) and (32, -61)
Slav-nsk [51]

The slope of line through given points is -12/29

Step-by-step explanation:

Given points are:

(-26, -37) and (32, -61)

Let

(x1,y1) =(-26, -37)

And

(x2,y2) = (32, -61)

Slope (steepness) of a line, denoted by m, is given by the formula

m = \frac{y_2-y_1}{x_2-x_1}

Putting the values

m = \frac{-61-(-37)}{32-(-26)}\\\\=\frac{-61+37}{32+26}\\\\=\frac{-24}{58}\\\\=-\frac{12}{29}

Hence,

The slope of line through given points is -12/29

Keywords: Slope, line segment

Learn more about slope at:

  • brainly.com/question/730852
  • brainly.com/question/7297385

#LearnwithBrainly

5 0
4 years ago
What is the value of arcsin(0) in degrees?<br><br> Enter your answer in the box.
melisa1 [442]

Answer:

Therefore,

The value of arcsin(0) is 0° or 180° or 360° or 540° or n×180° so on.

Step-by-step explanation:

To Find:

arcsin(0) in degrees =?

Solution:

' arcsin ' a mathematical function that is the inverse of the sine function.

Therefore, arcsin (x) is called the inverse sine function.

It is the angle whose sine is the number x.

So here we require angle in degree for which the Sine is '0'.

It is also written as

\sin^{-1}x

We Know that

\sin 0\°=0\\or\\\sin 180\°=0

Therefore,

\arcsin (0) = 0\°\\or\\\arcsin (0) = 180\°

Also integer multiples of 180° will have

\arcsin (0)=n\times 180\°

Where n = integer

Therefore for '0' we can have 2×180° , 3×180° , 4×180°....and so on i.e 360° , 540° and so on

Therefore,

The value of arcsin(0) is 0° or 180° or 360° or 540° or n×180° so on.

5 0
3 years ago
COUGH COUGH CORONA I HAVE CORONA HERE SOME POINTS
Helga [31]
Thanks for the points lol
6 0
3 years ago
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